Dtc11 Transponder Code Not Matched; Dtc31 Transponder Code Not Registered; Dtc12 Fault In Immobilizer Control Module - Suzuki sq-416-420-625 Service Manual

DTC11 TRANSPONDER CODE NOT MATCHED

DESCRIPTION:
Immobilizer Control Module checks if Transponder code transmitted from ignition key and that registered in Immo-
bilizer Control Module match when ignition switch is ON. If they do not, this DTC is set.
INSPECTION:
Register ignition key with built-in transponder by using Suzuki scan tool (TECH1 cartridge for immobilizer control
system and TECH 1A kit) and performing following steps.
1) Register Transponder code in Immobilizer Control Module by performing procedure described in "How to regis-
ter ignition key" section.
2) Turn ignition switch OFF, then turn it ON and check that DTC11 is not set.

DTC31 TRANSPONDER CODE NOT REGISTERED

DESCRIPTION:
Immobilizer Control Module checks if Transponder code transmitted from ignition key and that registered in Immo-
bilizer Control Module match when ignition switch is ON. If there is no Transponder code registered in Immobilizer
Control Module, this DTC is set.
INSPECTION:
Register ignition key with built-in transponder by using Suzuki scan tool (TECH1 cartridge for immobilizer control
system and TECH 1A kit) and performing following steps.
1) Register Transponder code in Immobilizer Control Module by performing procedure described in "How to regis-
ter ignition key" section.
2) Turn ignition switch OFF, then turn it ON and check that DTC31 is not set.

DTC12 FAULT IN IMMOBILIZER CONTROL MODULE

DESCRIPTION:
This DTC is set when an internal fault is detected in Immobilizer Control Module.
INSPECTION:
STEP
1 1) Ignition switch OFF.
2) Disconnect connectors from Immobi-
lizer Control Module.
3) Check for proper connection to Im-
mobilizer Control Module at all termi-
nals.
Are they in good condition?
ACTION
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-17
YES
Substitute a known-good Immobilizer
Control Module and recheck.
NOTE:
After replacing with a known-good
Immobilizer Control Module, register
ECM/Immobilizer Control Module
code in ECM / PCM and Transponder
code and ECM/Immobilizer
Control Module code in Immobilizer
Control Module by performing
procedure described in "Procedure
after Immobilizer Control Module
Replacement" section.
NO
Repair or replace.